This page no longer updated from 31 October 2001. Latest version can be found at H-1-2

Gross Mass: 10,600 kg. Empty Mass: 1,800 kg. Thrust (vac): 10,500 kgf. Isp: 450 sec. Burn time: 370 sec. Propellants: Lox/LH2 Isp(sl): 0 sec. Diameter: 2.5 m. Span: 2.5 m. Length: 10.3 m. Country: Japan. No Engines: 1. LE-5 Status: Hardware. Other designations: LE-5.
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Last update 12 March 2001.
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© Mark Wade, 2001 .